| Name | Fragilaria pinnata f. lancettula (Schumann) Hustedt |
| Authorship | (Schumann bis) Hustedt |
| Rank | Forma |
| NomenclaturalStatus | Unknown |
| Placed in | Fragilaria pinnata Ehrenberg |
| Remarks | Created from Taxon Name Import: Fragilaria pinnata f. lancettula (Schumann) Hustedt |
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